Los Angeles (Spanish for "The Angels"), officially the City of Los Angeles and often known by its initials L.A., is the cultural, financial, and commercial center of Southern California. With a census-estimated 2015 population of 3,971,883, it is the second-most populous city in the United States (after New York City) and the most populous city in California. Located in a large coastal basin surrounded on three sides by mountains reaching up to and over 10,000 feet (3,000 m), Los Angeles covers an area of about 469 square miles (1,210 km2) The city is the focal point of the larger Los Angeles metropolitan area and the Greater Los Angeles Area region, which contain 13 million and over 18 million people, respectively, as of 2010, making it one of the most populous metropolitan areas in the world as well as the second-largest in the United States and the densest urban area in the United States. Los Angeles is also the seat of Los Angeles County, the most populated county in the United States. The city's inhabitants are referred to as Angelenos.Historically home to the Chumash and Tongva, Los Angeles was claimed by Juan Rodriguez Cabrillo for Spain in 1542 along with the rest of what would become Alta California. The city was officially founded on September 4, 1781, by Spanish governor Felipe de Neve. It became a part of Mexico in 1821 following the Mexican War of Independence. In 1848, at the end of the Mexican-American War, Los Angeles and the rest of California were purchased as part of the Treaty of Guadalupe Hidalgo, thereby becoming part of the United States. Los Angeles was incorporated as a municipality on April 4, 1850, five months before California achieved statehood. The discovery of oil in the 1890s brought rapid growth to the city. The completion of the Los Angeles Aqueduct in 1913, delivering water from Eastern California, later assured the city's continued rapid growth.Nicknamed the "City of Angels", Los Angeles is known for its Mediterranean climate, ethnic diversity, and sprawling metropolis. The city is also famous as the home of Hollywood, a major center of the American entertainment industry, and one of the leaders in the world in the creation of motion picture, recorded music, and television productions. Los Angeles also has a diverse economy in culture, media, fashion, science, sports, technology, education, medicine, and research. A global city, it has been ranked 6th in the Global Cities Index and 9th in the Global Economic Power Index. The city is home to renowned institutions covering a broad range of professional and cultural fields, and is one of the most substantial economic engines within the United States. The Los Angeles combined statistical area (CSA) has a gross metropolitan product (GMP) of $831 billion (as of 2008), making it the third-largest in the world, after the Greater Tokyo and New York metropolitan areas.The city has hosted the Summer Olympic Games in 1932 and 1984 and is bidding to host the 2024 Summer Olympics and thus become the second city after London to have hosted the Games three times. The Los Angeles area also hosted the 1994 FIFA men's World Cup final match as well as the 1999 FIFA women's World Cup final match; both games were held at the Rose Bowl in the nearby city of Pasadena. The men's event was watched on television by over 700 million people worldwide.